Weather will likely play an important role when you plan your trip to Montería, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and March with an average temp of 82°F, while the coldest months are November and October with an average of 79°F. The rainiest months in Montería are May, July, August, and June, with each month seeing an average of 10 inches of rainfall.